Outer Glow, brush Smoothing and the rest of Compositor 1.2.0

src/UI/NativeLayerList.cpp

@@ -255,3 +255,13 @@ void NativeLayerList::changeEvent(QEvent *event)
     if (event->type() == QEvent::PaletteChange)
         QMetaObject::invokeMethod(this, &NativeLayerList::update, Qt::QueuedConnection);
 }
+
+void NativeLayerList::selectAllRows()
+{
+    if (m_rows.empty())
+        return;
+    QSet<QUuid> ids;
+    for (const ImageLayer &row : m_rows)
+        ids.insert(row.id);
+    m_session.selectLayers(ids, m_rows.front().id);
+}